HI MY NAME IS MILOS!I WOULD LIKE TO SAY TO YOU THAT I HAVE SEEN A VIDEO OF GTA IV LEAKED GAMEPLAY WHERE IN THE START OF THE GAME NIKO AND ROMAN TALK TO EACH OTHER!!!THERE IS A DIALOGUE THAT GOES IN SERBIAN LANGUAGE CLEARLY!!IM A SERBIAN SO I UNDERSTOOD THEM PERFECTLY !!THE DIALOGUE GOES :ROMAN:NIKO HAVE YOU EVER BEEN WITH 2 WOMEN AT ONCE? ROMAN:MISLIO SAM DA CU UMRETI I OTICI U RAJ COVECE! NIKO:NEMOGU DA KAZEM DAJ VAMO!THE TRANSLATION OF THE TWO LAST SENTENCES THAT I WROTE IN SERBIAN ARE :ROMAN:I THOUGHT I WAS GOING TO DIE AND GO TO HEAVEN MAN! NIKO THEN REPLIES:I CANT ARGUE WITH YOU GIVE ME SOME! THANK YOU FOR VIEWING THIS I CAN ASSURE THAT NIKO IS SERBIAN!!!

actually rockstar said that niko will be like claude from gta 3 where claude was the man with no name niko will be the man with no country meaning that u will never find out what country he is actually from although there is hencing that it is russian or ukranian